PORTLAND, Maine - An adult male sends a possible hoax Mayday call on VHF-FM radio channel 16 in the vicinity of Penobscot Bay, Maine, Wednesday, April 21, 2010. The Coast Guard Sector Northern New England command center received a Mayday call on VHF-FM radio channel 16 at 1:18 p.m., of an adult male stating, "Mayday, Mayday, Mayday. Help me, I'm on dry land." U.S. Coast Guard audio.